CN1649334B - 正交调制器的调整装置及调整方法、以及通信装置 - Google Patents

正交调制器的调整装置及调整方法、以及通信装置 Download PDF

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Publication number
CN1649334B
CN1649334B CN200510005320.7A CN200510005320A CN1649334B CN 1649334 B CN1649334 B CN 1649334B CN 200510005320 A CN200510005320 A CN 200510005320A CN 1649334 B CN1649334 B CN 1649334B
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China
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offset
signal
value
carrier
values
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Expired - Fee Related
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CN200510005320.7A
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English (en)
Chinese (zh)
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CN1649334A (zh
Inventor
丹羽智
尾顷和夫
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Lenovo Innovations Co ltd Hong Kong
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NEC Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN200510005320.7A 2004-01-30 2005-01-31 正交调制器的调整装置及调整方法、以及通信装置 Expired - Fee Related CN1649334B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004024034A JP4341418B2 (ja) 2004-01-30 2004-01-30 直交変調器の調整装置及び調整方法並びに通信装置とプログラム
JP024034/2004 2004-01-30

Related Child Applications (1)

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CN200910000548.5A Division CN101562598B (zh) 2004-01-30 2005-01-31 正交调制器的调整装置及调整方法、以及通信装置

Publications (2)

Publication Number Publication Date
CN1649334A CN1649334A (zh) 2005-08-03
CN1649334B true CN1649334B (zh) 2010-10-06

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CN200510005320.7A Expired - Fee Related CN1649334B (zh) 2004-01-30 2005-01-31 正交调制器的调整装置及调整方法、以及通信装置
CN200910000548.5A Expired - Fee Related CN101562598B (zh) 2004-01-30 2005-01-31 正交调制器的调整装置及调整方法、以及通信装置

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Country Link
US (1) US7639756B2 (fr)
EP (1) EP1560391A3 (fr)
JP (1) JP4341418B2 (fr)
CN (2) CN1649334B (fr)

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US7443924B2 (en) * 2003-09-30 2008-10-28 Viasat, Inc. Residual carrier and side band processing system and method
JP3902184B2 (ja) * 2004-02-24 2007-04-04 株式会社アドバンテスト 直交変調装置、方法、プログラム、記録媒体
JP4758781B2 (ja) 2006-01-31 2011-08-31 富士通株式会社 Ｄｃオフセット補正装置及びその方法
US20080014873A1 (en) * 2006-07-12 2008-01-17 Krayer Yvonne L Methods and apparatus for adaptive local oscillator nulling
WO2008047684A1 (fr) * 2006-10-17 2008-04-24 Advantest Corporation Appareil de mesure, procédé de mesure, programme et appareil d'expérimentation
EP2222045A1 (fr) 2007-12-10 2010-08-25 NEC Corporation Dispositif de communication sans fil et procédé d'ajustement de décalage continu
JP2009200906A (ja) * 2008-02-22 2009-09-03 Denso Corp Ｏｆｄｍ方式の無線送信機のキャリアリーク抑制方法及びそれを用いた無線送信機
US8941402B2 (en) * 2009-07-10 2015-01-27 Nec Corporation Electromagnetic field measuring apparatus, electromagnetic field measuring method used for the same, and non-transitory computer readable medium storing electromagnetic field measurement control program
KR101426113B1 (ko) * 2010-03-03 2014-08-06 (주) 네톰 무선 송수신기의 송신누설신호의 상쇄신호 탐색방법 및 장치
JP2011188436A (ja) * 2010-03-11 2011-09-22 Advantest Corp 測定装置、測定方法およびプログラム
CN102255837A (zh) * 2010-12-27 2011-11-23 复旦大学 一种直接变频发射机中载波泄漏消除的方法
US8649688B2 (en) * 2011-01-28 2014-02-11 Ciena Corporation Radio frequency drive level control system and method for an electro-optic phase modulator
CN102222246B (zh) * 2011-06-25 2014-04-09 深圳市远望谷信息技术股份有限公司 射频识别读写器的载波抑制方法及射频装置
CN110086736B (zh) * 2013-04-12 2022-09-23 太阳专利托管公司 发送装置、发送方法、接收装置、接收方法
US10642255B2 (en) * 2013-08-30 2020-05-05 Taiwan Semiconductor Manufacturing Company, Ltd. Component control in semiconductor performance processing with stable product offsets
CN104463281A (zh) * 2014-12-12 2015-03-25 上海上大鼎正软件股份有限公司 一种射频识别读写器载波干扰抑制装置
JP6209239B2 (ja) * 2016-03-28 2017-10-04 アンリツ株式会社 信号調整システム及び信号調整方法
CN106817136B (zh) * 2017-02-21 2022-09-16 和芯星通科技(北京)有限公司 一种实现正交信号处理的方法、装置及接收机
CN107589325B (zh) * 2017-09-12 2020-07-03 中国电子科技集团公司第四十一研究所 一种多载波信号的产生装置和产生方法
CN112671681B (zh) * 2020-02-03 2022-03-01 腾讯科技（深圳）有限公司 边带抑制方法、装置、计算机设备和存储介质

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US5396196A (en) * 1993-12-29 1995-03-07 At&T Corp. Quadrature modular with adaptive suppression of carrier leakage
CN1238878A (zh) * 1996-11-29 1999-12-15 诺基亚电信公司 数字正交调制器和解调器中的方法,以及数字正交调制器和解调器
US6169463B1 (en) * 1999-03-24 2001-01-02 Philips Electronic North America Corp. Quadrature modulator with set-and-forget carrier leakage compensation

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US5119399A (en) * 1990-09-28 1992-06-02 Hewlett-Packard Co. Quadrature measurement and calibration of a vector modulator
JP3349112B2 (ja) 1998-08-13 2002-11-20 日本電気株式会社 オフセット調整方法およびオフセット調整装置
JP3593693B2 (ja) * 1999-04-09 2004-11-24 横河電機株式会社 直交変調器用性能評価装置および直交変調器用性能評価方法
US6421398B1 (en) * 2000-01-28 2002-07-16 Alcatel Canada Inc. Modulation system having on-line IQ calibration
JP2002051094A (ja) * 2000-08-04 2002-02-15 Matsushita Electric Ind Co Ltd 直交変調装置、送信装置および無線通信装置
US6771709B2 (en) * 2001-10-16 2004-08-03 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry System and method for direct transmitter self-calibration
JP3712985B2 (ja) * 2002-02-22 2005-11-02 アンリツ株式会社 直交変調器のキャリアリーク調整点検出方法、そのキャリアリーク調整方法、及び直交変調装置
US6700453B2 (en) * 2002-06-18 2004-03-02 Nokia Corporation Amplitude imbalance compensation of quadrature modulator
US7206557B2 (en) * 2003-01-08 2007-04-17 Lucent Technologies Inc. Method and apparatus for suppressing local oscillator leakage in a wireless transmitter
US20040146118A1 (en) * 2003-01-23 2004-07-29 Talwalkar Sumit A. Method and apparatus for RF carrier suppression in a multi-modulator transmitter
US7369813B2 (en) * 2003-05-14 2008-05-06 Telefonaktiebolaget L M Ericsson (Publ) Fast calibration of electronic components
US7376200B2 (en) * 2003-06-06 2008-05-20 Interdigital Technology Corporation Method and apparatus for suppressing carrier leakage

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US5396196A (en) * 1993-12-29 1995-03-07 At&T Corp. Quadrature modular with adaptive suppression of carrier leakage
CN1238878A (zh) * 1996-11-29 1999-12-15 诺基亚电信公司 数字正交调制器和解调器中的方法,以及数字正交调制器和解调器
US6169463B1 (en) * 1999-03-24 2001-01-02 Philips Electronic North America Corp. Quadrature modulator with set-and-forget carrier leakage compensation

Non-Patent Citations (2)

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Also Published As

Publication number Publication date
US20050169402A1 (en) 2005-08-04
CN101562598A (zh) 2009-10-21
EP1560391A2 (fr) 2005-08-03
JP4341418B2 (ja) 2009-10-07
EP1560391A3 (fr) 2013-01-16
US7639756B2 (en) 2009-12-29
CN101562598B (zh) 2014-12-10
CN1649334A (zh) 2005-08-03
JP2005217911A (ja) 2005-08-11

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